Example 2 Concentrations of Zinc in the different tissues of a crustacean are to shown below. Which means are significantly different? Stomach (mg/kg) Gill (mg/kg) Muscle (mg/kg) 20 32 26 18 36 30 18 34 14 Example 3 Household wastewater quality at Tabuan Jaya was compared during to low, medium and high flow. Is there any significant difference in dissolved oxygen concentration (mg/L) between different flow rates? Which means are significantly different? Replicate Low Medium High 1 7.33 9.13 8.81 2 7.06 9.33 8.99 3 6.79 9.2 8.97